621944140

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{115603}}^1$

素因数の和:115881

約数の個数: 24

約数和(自身を含む): 1310949360

約数和(自身を除く): 689005220

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 115603, 231206, 462412, 578015, 1156030, 2312060, 31097207, 62194414, 124388828, 155486035, 310972070, 621944140]

約数ペア:

[(1, 621944140), (2, 310972070), (4, 155486035), (5, 124388828), (10, 62194414), (20, 31097207), (269, 2312060), (538, 1156030), (1076, 578015), (1345, 462412), (2690, 231206), (5380, 115603)]